Quantum speed limit and geometric measure of entanglement
Łukasz Rudnicki
Abstract
Using the approach offered by quantum speed limit, we show that geometric measure of multipartite entanglement for pure states [T.-C. Wei and P. M. Goldbart, Phys. Rev. A 68, 042307 (2003)] can be interpreted as the minimal time necessary to unitarily evolve a given quantum state to a separable one.
Topics & Concepts
Quantum entanglementMultipartite entanglementMeasure (data warehouse)Quantum discordSeparable stateW stateSquashed entanglementQuantum mechanicsQuantumMathematicsQuantum stateQuantum metrologyLimit (mathematics)State (computer science)MultipartitePhysicsGeometric phaseSeparable spaceQuantum algorithmQuantum operationAmplitude damping channelQuantum systemQuantum informationStatistical physicsQuantum limitQuantum sensorQuantum channelOpen quantum systemQuantum error correctionQuantum computerQuantum processSpeed limitEntanglement witnessQuantum teleportationQuantum networkQuantum capacityQuantum Information and CryptographyQuantum Mechanics and ApplicationsQuantum Computing Algorithms and Architecture